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 ###Instrução: Qual IHSAA Class tem um mascote de tigres?
 ###Tabelas: CREATE TABLE year-by-year_stats (year-by-year_stats_id AUTO_INCREMENT PRIMARY KEY, Team INT, Games Played INT, Wins INT, Losses INT, Winning Percentage INT, Points For INT, Points Against INT, Point Differential INT) CREATE TABLE percussion_scholastic_concert_open_class (percussion_scholastic_concert_open_class_id AUTO_INCREMENT PRIMARY KEY, Ensemble VARCHAR, Gold Medals INT, Silver Medals INT, Bronze Medals INT, Total Medals INT) CREATE TABLE 1971_isle_of_man_production_750_cc_tt_final_standings (1971_isle_of_man_production_750_cc_tt_final_standings_id AUTO_INCREMENT PRIMARY KEY, Rank INT, Rider VARCHAR, Team VARCHAR, Speed VARCHAR, Time VARCHAR) CREATE TABLE  (_id AUTO_INCREMENT PRIMARY KEY, School VARCHAR, Location VARCHAR, Mascot VARCHAR, Enrollment INT, IHSAA Class VARCHAR, County VARCHAR) CREATE TABLE 1980s (1980s_id AUTO_INCREMENT PRIMARY KEY, Year INT, Network VARCHAR, Race caller VARCHAR, s Host VARCHAR, s Analyst VARCHAR, Reporters VARCHAR, Trophy presentation VARCHAR)  
SELECT IHSAA Class FROM  WHERE Mascot = tigers